/**
 * Marbl Burger Menu v2.0.0
 * Simple, animated navigation
 * (c) 2026 Marbl Codes - https://marbl.codes
 */

/* ==========================================================================
   Burger Toggle Button
   ========================================================================== */

.burger-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1001;
}

/* Hide toggle when menu is open (close button handles it) */
.burger-menu-toggle.is-open {
  opacity: 0;
  pointer-events: none;
}

.burger-menu-toggle:hover {
  border-color: var(--marbl-ember, #f35226);
  background: rgba(243, 82, 38, 0.1);
}

.burger-line {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--marbl-white, #fff);
  border-radius: 2px;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transform-origin: center;
}

/* Burger to X animation */
.burger-menu-toggle.is-open .burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-menu-toggle.is-open .burger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.burger-menu-toggle.is-open .burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* ==========================================================================
   Overlay
   ========================================================================== */

.burger-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(22, 20, 21, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              visibility 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.burger-menu-overlay.is-open {
  opacity: 1;
  visibility: visible;
}


/* ==========================================================================
   Container
   ========================================================================== */

.burger-menu-container {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 60px 24px;
}


/* ==========================================================================
   Close Button
   ========================================================================== */

.burger-menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.burger-menu-close:hover {
  border-color: var(--marbl-ember, #f35226);
  background: rgba(243, 82, 38, 0.1);
  transform: rotate(90deg);
}

.burger-menu-close span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  background: var(--marbl-white, #fff);
  border-radius: 2px;
}

.burger-menu-close span:first-child {
  transform: translate(-50%, -50%) rotate(45deg);
}

.burger-menu-close span:last-child {
  transform: translate(-50%, -50%) rotate(-45deg);
}


/* ==========================================================================
   Navigation
   ========================================================================== */

.burger-menu-nav {
  text-align: center;
}

.burger-menu-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 48px;
}

.burger-menu-link {
  display: block;
  font-family: var(--font-heading, 'Urbanist', sans-serif);
  font-size: 42px;
  font-weight: 700;
  color: var(--marbl-white, #fff);
  text-decoration: none;
  padding: 8px 24px;
  position: relative;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              color 0.3s ease;
}

.burger-menu-overlay.is-open .burger-menu-link {
  opacity: 1;
  transform: translateY(0);
}

.burger-menu-link::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--marbl-ember, #f35226);
  transform: translateX(-50%);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 2px;
}

.burger-menu-link:hover {
  color: var(--marbl-ember, #f35226);
}

.burger-menu-link:hover::after {
  width: 60%;
}

.burger-menu-link.is-current {
  color: var(--marbl-ember, #f35226);
}

.burger-menu-link.is-current::after {
  width: 40%;
}


/* ==========================================================================
   Social Links
   ========================================================================== */

.burger-menu-social {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.35s,
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.35s;
}

.burger-menu-overlay.is-open .burger-menu-social {
  opacity: 1;
  transform: translateY(0);
}

.burger-menu-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--marbl-ember, #f35226);
  font-size: 20px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.burger-menu-social-link:hover {
  border-color: var(--marbl-ember, #f35226);
  background: rgba(243, 82, 38, 0.1);
  transform: scale(1.1);
}


/* ==========================================================================
   Footer Links
   ========================================================================== */

.burger-menu-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.4s,
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.4s;
}

.burger-menu-overlay.is-open .burger-menu-footer {
  opacity: 1;
  transform: translateY(0);
}

.burger-menu-footer-link {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color 0.3s ease;
}

.burger-menu-footer-link:hover {
  color: var(--marbl-white, #fff);
}


/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 640px) {
  .burger-menu-link {
    font-size: 32px;
    padding: 6px 16px;
  }

  .burger-menu-links {
    gap: 4px;
    margin-bottom: 40px;
  }

  .burger-menu-footer {
    gap: 16px;
  }

  .burger-menu-close {
    top: 16px;
    right: 16px;
  }
}